feat: 1.餐位费允许增减数量 2.选择人数根据店铺配置决定是否操作

src/main/java/com/chaozhanggui/system/cashierservice/bean/constant/TableConstant.java

@@ -62,6 +62,8 @@ public interface TableConstant {
     }
 
     class CashierCart {
+        public static final String ID = "-999";
+
         @Getter
         public enum Status {
             REFUNDING("refunding"), REFUND("refund"), CLOSED("closed"), CREATE("create"),